Budgetary: estimate token spend MCP Server

io.github.thriftell/budgetary

Repository Registry

What is the Budgetary: estimate token spend MCP server?

Pre-flight token-spend estimate (range, scenario, confidence) for a coding task, or an abstention.

How to install Budgetary: estimate token spend

Copy-paste configuration for popular MCP clients.

transport: stdio

Config generated by PluginBench — verify against the source before use.

Environment / auth

BUDGETARY_API_KEY
required
secret
Budgetary API key (bg_live_ or bg_test_ prefix). Get one at https://budgetary.tools.
BUDGETARY_HOST
Optional tag naming the MCP host this server runs under — e.g. claude-code, cursor, codex, copilot. It labels each estimate with where it came from, and an explicit value overrides the host name the MCP handshake reports. Free-form; defaults to "mcp" when unset.

~/Library/Application Support/Claude/claude_desktop_config.json

{
  "mcpServers": {
    "budgetary": {
      "command": "npx",
      "args": [
        "-y",
        "@budgetary/mcp"
      ],
      "env": {
        "BUDGETARY_API_KEY": "<YOUR_BUDGETARY_API_KEY>",
        "BUDGETARY_HOST": "<YOUR_BUDGETARY_HOST>"
      }
    }
  }
}